Sock



FIG. 1 is a front perspective view of a sock of the present invention showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front end view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a rear end view thereof.

The evenly dashed broken lines showing a human foot are for the purpose of illustrating environment and form no part of the claim. The evenly dashed broken lines on the sock are for the purpose of illustrating stitching and form no part of the claim. 

CLAIM The ornamental design for a sock, as shown and described. 